How important is the first serve in the women’s game? Let’s take a look at the points won on first serve and second serve for the four quarterfinalists in the top half of the draw:
For the big servers, there is a huge difference between getting first serves in play and having to hit a second serve. All of these players go from being in control of the points to being in a break-even situation at best when they miss their first serves.
Check SI.com's 2015 U.S. Open data hub page throughout the whole tournament for the latest data-driven infographics and charts from IBM, the official technology partner for the U.S. Open. IBM captures and analyzes the data that powers all of the Grand Slams, as well as the digital platforms that extend the experience to fans around the world.